Cov khoom tseem ceeb ntawm qhov chaw sim rau GIS cov cuab yeej suav nrog:
(1) Kev ntsuas ntsuas hluav taws xob tseem ceeb.
(2) Kev ntsuas hluav taws xob tiv thaiv hluav taws xob.
(3) Mechanical characteristic test of circuit breakers.
(4) Gas sealing xeem.
(4) Qhib thiab kaw qhov kev xeem ua.
(5) Yog tias tsim nyog, ua qhov ntsuas hluav taws xob tiv thaiv.
(6) Kev txiav txim siab ntawm cov dej noo thiab purity ntawm SF6 roj.
(7) SF6 roj ntom relay thiab ntsuas ntsuas ntsuas.
(8) Ua ib feem ntawm kev kuaj xyuas ultrasonic thaum ua haujlwm.